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Chemistry 23 Online
P2god1:

Which animal group doesn't belong to the vertebrate group? A. birds B. echinoderms C. mammals D. amphibians

ItzAgar:

Which ones should we eliminate?

Rival:

Not birds because we know that they fly and they have bones

Rival:

And mammals definitely have bones

Rival:

such as lion

P2god1:

amphibians?

ItzAgar:

amphibians

Rival:

amphibians are like reptiles like a snake they need bones to slither

Rival:

echinoderms Is your best answer such as starfish we know they don't have bones

Rival:

They are also underwater animals

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